Cutting device for polyurethane foam production and processing

Abstract

The utility model discloses a cutting device for polyurethane foam production and processing, which relates to the technical field of cutting tools for polyurethane foam production and comprises a support, a conveying device is longitudinally mounted at the upper end of the support and consists of two rolling shafts, a conveying belt and two baffles, a first motor is transversely mounted at the front end of one side of the conveying device, and a second motor is mounted at the front end of the other side of the conveying device. A driving shaft of the first motor is connected with a rolling shaft of the conveying device through a coupler; the portal frame can stably run on the conveying device through the second motor and the third motor, the shell can horizontally move on the cross beam through the fourth motor, the portal frame and the shell can accurately, synchronously and stably move when foam is cut by the cutter, the pressure on the foam is conveniently relieved through the mutual action of the pressing plate, the spring and the guide rod, and the foam cutting efficiency is improved. After cutting is completed, the foam can enable the indentations on the surface of the foam to disappear through springback, and finally the problems that the foam cannot be accurately cut, the cutting face is uneven, and the indentations of the foam cannot achieve the surface flatness through springback are solved.

Description

Technical Field

[0001] This utility model relates to the technical field of cutting tools for polyurethane foam production, and in particular to a cutting device for polyurethane foam production and processing. Background Technology

[0002] Common applications of foam include cushioning and shock absorption, sound absorption and insulation, heat insulation, and sealing. Due to its wide range of applications, foam often needs to be cut to suit different working conditions. However, cutting foam frequently results in problems such as burrs, unevenness, dimensional deviations, unreasonable cutting paths, scratches, and indentations on the foam surface, which seriously affect the quality of the foam. Currently, a polyurethane foam cutting device suffers from significant dimensional deviations and uneven cut surfaces. Furthermore, excessive pressure during foam pressing causes poor rebound and indentations on the foam surface. Therefore, solutions to these technical problems are needed. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a cutting device for the production and processing of polyurethane foam.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a cutting device for polyurethane foam production and processing, comprising a support frame, a conveying device longitudinally mounted on the upper end of the support frame, the conveying device consisting of two rollers, a conveyor belt and two baffles, and a first motor horizontally mounted on one front end of the conveying device, the drive shaft of the first motor being connected to the rollers of the conveying device via a coupling.

[0005] Preferably, the two side baffles of the conveying device are longitudinally provided with T-shaped grooves, and a first rack is longitudinally fixed in the T-shaped grooves.

[0006] Preferably, the upper end of the conveying device is provided with a gantry frame, and a second motor and a third motor are vertically installed inside both sides of the gantry frame. The drive shafts of the second motor and the third motor are connected to gears, and the gears mesh with the first rack for transmission.

[0007] Preferably, a second rack is fixedly connected to the rear end face of the upper crossbeam of the gantry frame, and a rolling groove is opened in the middle of the upper and lower end faces of the crossbeam. A shell is sleeved in the middle of the crossbeam. Two sets of support rods and rollers are installed longitudinally inside the shell. One end of the support rod is fixedly connected to the inner wall of one end of the shell, and the other end is rotatably connected to the roller. The roller is placed inside the rolling groove, and a fourth motor is installed vertically inside the shell. The drive shaft of the fourth motor is connected to a gear, and the gear meshes with the second rack for transmission.

[0008] Preferably, a cylinder is installed at the middle of the front end of the housing, a blade holder is installed at the lower end of the cylinder piston rod, a cutting blade is vertically installed on the bottom surface of the blade holder, an infrared sensor is installed at the rear end of the cutting blade, and the bottom surface of the infrared sensor is fixedly connected to the blade holder.

[0009] Preferably, multiple telescopic rods are vertically and equidistantly installed at the lower end of the bottom surface of the crossbeam. A pressure plate is installed at the lower end of the output shaft of the telescopic rod. Multiple equidistant guide holes are opened on the top surface of the pressure plate. A guide rod is installed in the guide hole. A positioning plate is fixedly connected to the lower end of the guide rod. Multiple equidistant springs are provided between the positioning plate and the pressure plate. The springs are sleeved on the guide rods, and a baffle is fixedly connected to the top surface of the guide rods.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: In this utility model, the second and third motors facilitate the smooth operation of the gantry frame on the conveying device, and the fourth motor facilitates the horizontal movement of the outer shell on the crossbeam. When the cutter cuts the foam, the gantry frame and the outer shell can move precisely, synchronously and smoothly. The pressure plate, spring and guide rod help to reduce the pressure on the foam. After the cutting is completed, the foam can rebound to make the indentation on the foam surface disappear. Finally, it solves the problems of inaccurate cutting of foam, uneven cutting surface, and foam indentation not being able to achieve a smooth surface through rebound. Attached Figure Description

[0011] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0012] Figure 1 This is a three-dimensional schematic diagram of the overall structure proposed in this utility model;

[0013] Figure 2 This is a three-dimensional side view of the overall structure proposed in this utility model;

[0014] Figure 3 This is a first cross-sectional view of the overall structure proposed in this utility model;

[0015] Figure 4 This is a second cross-sectional view of the overall structure proposed in this utility model;

[0016] Figure 5 This is a third cross-sectional view of the overall structure proposed in this utility model.

[0017] The components in the diagram are numbered as follows: 1. Support frame; 2. Conveying device; 3. Gantry frame; 4. First motor; 5. Second motor; 6. Third motor; 7. Fourth motor; 8. Support rod; 9. Roller; 10. Gear; 11. Spring; 12. Guide rod; 13. Telescopic rod; 14. Cutter; 15. Infrared sensor; 16. Knife holder; 17. Pressure plate; 18. Cylinder; 19. Housing. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Example: See Figure 1-5 This utility model discloses a cutting device for polyurethane foam production and processing, comprising a support 1, a conveyor 2 longitudinally mounted on the upper end of the support 1, the conveyor 2 consisting of two rollers, a conveyor belt, and two baffles, and a first motor 4 horizontally mounted on one front end of the conveyor 2, the drive shaft of the first motor 4 being connected to the rollers of the conveyor 2 via a coupling; T-shaped grooves are longitudinally formed on the far surfaces of the baffles on both sides of the conveyor 2, and a first rack is longitudinally fixed within the T-shaped grooves; a gantry 3 is horizontally mounted on the upper end of the conveyor 2, and a second motor 5 and a third motor 6 are vertically mounted inside both sides of the gantry 3, the drive shafts of the second motor 5 and the third motor 6 being connected to gears 10, the gears 10 meshing with the first rack for transmission; the gantry 3 is easily fixed to the conveyor 2 via support rods 8 and rollers 9, the gantry 3 is facilitated to move longitudinally on the conveyor 2 via the grooves, and the movement distance of the gantry 3 is easily controlled precisely via the second motor 5, the third motor 6, the gears 10, and the first rack.

[0020] In this utility model, a second rack is fixedly connected to the rear end face of the upper crossbeam of the gantry frame 3. A rolling groove is opened laterally in the middle of the upper and lower end faces of the crossbeam. A shell 19 is sleeved in the middle of the crossbeam. Two sets of support rods 8 and rollers 9 are longitudinally installed inside the shell 19. One end of the support rod 8 is fixedly connected to the inner wall of one end of the shell 19, and the other end is rotatably connected to the roller 9. The roller 9 is placed inside the rolling groove. A fourth motor 7 is vertically installed inside the shell 19. The drive shaft of the fourth motor 7 is connected to a gear 10. The gear 10 meshes with the second rack for transmission. The support rods 8 and rollers 9 facilitate the fixing of the shell 19 to the crossbeam. The rolling groove and rollers 9 facilitate the lateral movement of the shell 19. The fourth motor 7, gear 10 and second rack facilitate the precise control of the movement distance of the shell 19.

[0021] In this utility model, a cylinder 18 is installed at the middle of the front end of the outer shell 19. A tool holder 16 is installed at the lower end of the piston rod of the cylinder 18. A cutter 14 is vertically installed on the bottom surface of the tool holder 16. An infrared sensor 15 is installed at the rear end of the cutter 14, and the bottom surface of the infrared sensor 15 is fixedly connected to the tool holder 16. Multiple telescopic rods 13 are vertically and equidistantly installed at the lower end of the bottom surface of the crossbeam. A pressure plate 17 is installed at the lower end of the output shaft of the telescopic rod 13. Multiple equidistant guide holes are opened on the top surface of the pressure plate 17. A guide rod 12 is installed in the guide hole. A positioning plate is fixedly connected to the lower end of the guide rod 12. Multiple equidistant springs 11 are provided between the pressure plate 17 and the guide rod 12, and a baffle is fixed to the top surface of the guide rod 12. The piston rod of the cylinder 18 extends and retracts to facilitate the adjustment of the cutting depth of the cutter 14. The cutter holder 16 facilitates the replacement of the cutter 14. The infrared sensor 15 facilitates the measurement of the distance from the cutter 14 to the conveyor belt. The pressure plate 17 facilitates the pressing of the foam. The springs 11 facilitate the buffering of the downward impact force of the telescopic rod 13. The infrared sensor used in this case is model GP2Y0A21YK0F.

[0022] Working principle: In use, the polyurethane foam cutting device is first powered by a power supply. The foam is laid flat on the conveyor belt of the conveyor device 2. The foam is conveyed forward by the power of the first motor 4. The second motor 5, the third motor 6, and the first rack facilitate the back-and-forth movement of the gantry frame 3 on the conveyor device 2, which facilitates the vertical cutting of the foam by the cutter 14. The fourth motor 7 facilitates the left-right movement of the outer shell 19 on the crossbeam of the gantry frame 3, which facilitates the horizontal cutting of the foam by the cutter 14. When cutting the foam, the first power supply... The telescopic rod 13 extends downwards, causing the lower plate of the pressure plate 17 to press down on the foam, preventing the foam from sliding and causing uneven cutting surfaces during cutting. The spring 11 and guide rod 12 facilitate the cushioning of the downward pressure of the telescopic rod 13, preventing damage to the conveying device 2. When the foam is pressed down, the piston rod of the cylinder 18 moves downwards, and the downward pressure distance is measured by the infrared sensor 15. When the cutter 14 cuts the foam, the moving speed of the conveying device 2 is equal to the moving speed of the gantry 3, and the moving direction is consistent, which facilitates the cutting of the foam.

[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A cutting device for polyurethane foam production and processing, comprising a support frame (1), characterized in that: The support (1) is longitudinally mounted with a conveying device (2), which consists of two rollers, a conveyor belt and two baffles. A first motor (4) is horizontally mounted on one front end of the conveying device (2). The drive shaft of the first motor (4) is connected to the roller of the conveying device (2) through a coupling. A gantry frame (3) is horizontally mounted on the upper end of the conveying device (2). A second rack is fixed to the rear end face of the upper beam of the gantry frame (3). Rolling grooves are horizontally opened in the middle of the upper and lower end faces of the beam. A shell (19) is sleeved in the middle of the beam.

2. The cutting device for polyurethane foam production and processing according to claim 1, characterized in that: The conveying device (2) has T-shaped grooves longitudinally opened on the far side of the baffles on both sides, and a first rack is longitudinally fixed in the T-shaped groove.

3. The cutting device for polyurethane foam production and processing according to claim 2, characterized in that: The gantry frame (3) is vertically installed on both sides with a second motor (5) and a third motor (6). The drive shafts of the second motor (5) and the third motor (6) are connected to gears (10), and the gears (10) mesh with the first rack for transmission.

4. The cutting device for polyurethane foam production and processing according to claim 3, characterized in that: The housing (19) is longitudinally installed with two sets of support rods (8) and rollers (9). One end of the support rod (8) is fixed to the inner wall of one end of the housing (19), and the other end is rotatably connected to the roller (9). The roller (9) is placed inside the groove. A fourth motor (7) is vertically installed inside the housing (19). The drive shaft of the fourth motor (7) is connected to a gear (10). The gear (10) meshes with the second rack for transmission.

5. A cutting device for polyurethane foam production and processing according to claim 4, characterized in that: A cylinder (18) is installed in the middle of the front end of the outer shell (19). A knife holder (16) is installed at the lower end of the piston rod of the cylinder (18). A cutter (14) is installed vertically on the bottom surface of the knife holder (16). An infrared sensor (15) is installed at the rear end of the cutter (14). The bottom surface of the infrared sensor (15) is fixedly connected to the knife holder (16).

6. A cutting device for polyurethane foam production and processing according to claim 5, characterized in that: Multiple telescopic rods (13) are vertically and equidistantly installed at the lower end of the bottom surface of the crossbeam. A pressure plate (17) is installed at the lower end of the output shaft of the telescopic rod (13). Multiple equidistant guide holes are opened on the top surface of the pressure plate (17). A guide rod (12) is provided in the guide hole. A positioning plate is fixedly connected to the lower end of the guide rod (12). Multiple equidistant springs (11) are provided between the positioning plate and the pressure plate (17). The springs (11) are sleeved on the guide rod (12), and a baffle is fixedly connected to the top surface of the guide rod (12).

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